Martin, William McChesney
and Board of Governors of the Federal Reserve System (U.S.), 1935-
"Statement before the Subcommittee on Antitrust and Monopoly of the Committee on the Judiciary of the Senate."
June 24, 1955,
https://fraser.stlouisfed.org/scribd/?item_id=7796&filepath=/files/docs/historical/martin/martin55_0624.pdf&start_page=1,
accessed on September 26, 2017.